Saudi Arabia on Sunday called the killing of journalist Jamal Khashoggi at its Istanbul consulate a “huge and grave mistake,” but sought to shield its powerful crown prince from the widening crisis, saying Mohammed bin Salman had not been aware.

Saudi Arabia has no intention of unleashing a 1973-style oil embargo on Western consumers and will isolate oil from politics, the Saudi energy minister said on Monday amid a worsening crisis over the killing of Saudi journalist Jamal Khashoggi.

Asian share markets swung into the black on Monday as the promise of more stimulus boosted Chinese stocks for a second session and helped offset geopolitical concerns over Saudi Arabia, Italy and Brexit.